你所描述的“CBK币”一般指的是CBK项目的代币，然而，我并没有找到关于“CBK币”的相关信息。CBK项目的官网也已无法访问，并且在多个区块链浏览器上也检索不到CBK的相关信息，这表明CBK币已经不存

The objective of the "Crossing The Yellow Blocks" project is to optimize the operational capabilities of relevant systems with shared processes by using the CBK token. / The goal of the "Crossing The Yellow Blocks" project is to optimize the performance of systems with shared processes using the CBK token.